1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    *
5    *
6    *
7    * The contents of this file are subject to the terms of the Liferay Enterprise
8    * Subscription License ("License"). You may not use this file except in
9    * compliance with the License. You can obtain a copy of the License by
10   * contacting Liferay, Inc. See the License for the specific language governing
11   * permissions and limitations under the License, including but not limited to
12   * distribution rights of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20   * SOFTWARE.
21   */
22  
23  package com.liferay.portlet.journal.util;
24  
25  import com.liferay.portal.kernel.log.Log;
26  import com.liferay.portal.kernel.log.LogFactoryUtil;
27  
28  import java.util.List;
29  import java.util.regex.Matcher;
30  import java.util.regex.Pattern;
31  
32  /**
33   * <a href="RegexTransformerListener.java.html"><b><i>View Source</i></b></a>
34   *
35   * @author Brian Wing Shun Chan
36   */
37  public class RegexTransformerListener extends TransformerListener {
38  
39      public String onXml(String s) {
40          if (_log.isDebugEnabled()) {
41              _log.debug("onXml");
42          }
43  
44          return s;
45      }
46  
47      public String onScript(String s) {
48          if (_log.isDebugEnabled()) {
49              _log.debug("onScript");
50          }
51  
52          s = replace(s);
53  
54          return s;
55      }
56  
57      public String onOutput(String s) {
58          if (_log.isDebugEnabled()) {
59              _log.debug("onOutput");
60          }
61  
62          s = replace(s);
63  
64          return s;
65      }
66  
67      protected String replace(String s) {
68          if (s == null) {
69              return s;
70          }
71  
72          List<Pattern> patterns = RegexTransformerUtil.getPatterns();
73          List<String> replacements = RegexTransformerUtil.getReplacements();
74  
75          for (int i = 0; i < patterns.size(); i++) {
76              Pattern pattern = patterns.get(i);
77              String replacement = replacements.get(i);
78  
79              Matcher matcher = pattern.matcher(s);
80  
81              s = matcher.replaceAll(replacement);
82          }
83  
84          return s;
85      }
86  
87      private static Log _log =
88          LogFactoryUtil.getLog(RegexTransformerListener.class);
89  
90  }